In most species the expression of Hox genes is colinear with the anterior to posterior organization of the organism. Describe what this means
What will be an ideal response?
Hox genes expressed at the anterior of the organism are located at the 3? end of the gene cluster. Those expressed in the posterior are transcribed form the 5? end of the cluster.
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Today, the western Asia population of Siberian tigers is
a. doing fine. b. threatened. c. endangered. d. extinct.
A lichen consists of a(n) ________ and an alga (or, in some cases, a cyanobacterium)
Fill in the blank(s) with correct word
The Salalizard is a fictional vertebrate that lives in the forest and appears to be half salamander and half lizard. You are not allowed to collect any wild animals, so you decide to take a video of it to show your colleagues. What behavior best
distinguishes the Salalizard as either a salamander (amphibian) or a lizard (reptile)? A) what the animal eats B) if it lives in trees C) where it reproduces D) whether it is active at night
Answer the following questions true (T) or false (F)
1. Restriction enzymes occur naturally in bacteria. 2. It is not possible for a human gene to work in any other organism. 3. A human clone would be as much like the person from whom it was cloned as "identical" twins are like each other.